Avidity Partners Management LP
- SEC CIK
- 0001791827
- Latest filing
- Aug 14, 2026
IMGN holding history
ImmunoGen, Inc. in every 13F filed by Avidity Partners Management LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
IMGN overviewAll 13F holders of IMGNFull Q2 2026 holdings
- Shares (Q1 2024)
- 0
- Sold out in Q1 2024
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q2 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q1 2024 | 0 | $0 | 0.0% | −1,829,215−100.0% | Sold out | Holders |
| Q4 2023 | 1,829,215 | $54.2M | 2.1% | −88,692−4.6% | Reduced | Holders |
| Q3 2023 | 1,917,907 | $30.4M | 1.2% | −79,893−4.0% | Reduced | Holders |
| Q2 2023 | 1,997,800 | $37.7M | 1.3% | +1,997,800 | New | Holders |